57643543 has 6 divisors (see below), whose sum is σ = 60259304. Its totient is φ = 55136796.

The previous prime is 57643541. The next prime is 57643559. The reversal of 57643543 is 34534675.

It is not a de Polignac number, because 57643543 - 2¹ = 57643541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57643541) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53955 + ... + 55012.

Almost surely, 2^57643543 is an apocalyptic number.

57643543 is a deficient number, since it is larger than the sum of its proper divisors (2615761).

57643543 is a wasteful number, since it uses less digits than its factorization.

57643543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109013 (or 108990 counting only the distinct ones).

The product of its digits is 151200, while the sum is 37.

The square root of 57643543 is about 7592.3344894703. The cubic root of 57643543 is about 386.2930448497.

The spelling of 57643543 in words is "fifty-seven million, six hundred forty-three thousand, five hundred forty-three".